215802225

素因数分解:

$3^7\times 5^2\times {\mathrm{3947}}^1$

素因数の和:3978

約数の個数: 48

約数和(自身を含む): 401432640

約数和(自身を除く): 185630415

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 2187, 3645, 3947, 6075, 10935, 11841, 18225, 19735, 35523, 54675, 59205, 98675, 106569, 177615, 296025, 319707, 532845, 888075, 959121, 1598535, 2664225, 2877363, 4795605, 7992675, 8632089, 14386815, 23978025, 43160445, 71934075, 215802225]

約数ペア:

[(1, 215802225), (3, 71934075), (5, 43160445), (9, 23978025), (15, 14386815), (25, 8632089), (27, 7992675), (45, 4795605), (75, 2877363), (81, 2664225), (135, 1598535), (225, 959121), (243, 888075), (405, 532845), (675, 319707), (729, 296025), (1215, 177615), (2025, 106569), (2187, 98675), (3645, 59205), (3947, 54675), (6075, 35523), (10935, 19735), (11841, 18225)]